1 files changed, 178 insertions, 0 deletions
diff --git a/2026/games/crm148/ship.js b/2026/games/crm148/ship.js
new file mode 100644
index 0000000..cc9d571
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+++ b/2026/games/crm148/ship.js
@@ -0,0 +1,178 @@
+
+import Vec2 from './vec2.js';
+import { randomAngle, toDegreesInt, normalizeAngle, drawSquare } from './util.js';
+import { getCosmos } from './cosmos.js';
+import { globalView } from './view.js';
+import Color from './color.js';
+import { death, debugKey } from './control.js';
+
+var cosmos;
+var view;
+
+window.testAngle = Math.PI / 4;
+
+const max_thrust_factor = 6;
+
+class Ship {
+    pos;
+    vel;
+    thrust = 0;
+    max_thrust;
+    heading = 0;
+
+    state = 'state_living';
+    death_counter = 0;
+    death_thresh = 0.3;
+
+    constructor(pos, vel, heading) {
+        cosmos = getCosmos();
+        view = globalView();
+        this.pos = pos;
+        this.heading = heading;
+        this.vel = vel;
+        this.max_thrust = cosmos.gravity * max_thrust_factor;
+        debugKey('ship', this);
+    }
+
+    static AboveRadius(radius, max_size) {
+        cosmos = getCosmos();
+        // var altitude = radius + Math.random() * (max_size - radius)
+        var altitude = radius + (0.25 + Math.random() * 0.125) * (max_size - radius)
+        var angle = randomAngle();
+        // var angle = Math.PI / 2;
+        var pos = Vec2.fromHeadingLength(angle, altitude);
+        var vel = pos.ofLength(cosmos.gravity * 70.0);
+        var ship = new Ship(pos, vel, angle);
+        return ship;
+    }
+
+
+
+    /// Behavior
+    update(dt) {
+        if (this[this.state]) {
+            this[this.state](dt);
+        }
+    }
+
+    state_living(dt) {
+        this.applyPhysics(dt);
+        var death = this.checkDeath();
+        if (death) {
+            this.state = 'state_dying';
+        }
+    }
+
+    state_dying(dt) {
+        this.death_counter += dt;
+        // console.log('death_counter', this.death_counter);
+        if (this.death_counter > this.death_thresh) {
+            this.state = 'state_dead';
+        }
+    }
+
+    state_dead(dt) {
+        death();
+    }
+
+
+    start_testing(dt) {
+        this.state = 'state_testing';
+        this.pos = Vec2.fromHeadingLength(window.testAngle, 70);
+        // this.pos = view.unproject(new Vec2(3 / 4 * gameCanvas.width, gameCanvas.height / 2));
+        this.state_testing(dt);
+    }
+
+    state_testing(dt) {
+        debugKey('ship', this);
+        var death = this.checkDeath();
+        debugKey('death', death);
+    }
+
+
+
+    /// Physics
+    applyPhysics(dt) {
+        var grav = this.pos.ofLength(-cosmos.gravity);
+        var thrust = Vec2.fromHeadingLength(this.heading, this.thrust * this.max_thrust);
+        var forces = grav.add(thrust);
+        this.pos = this.pos.add(this.vel);
+        this.vel = this.vel.add(forces);
+    }
+
+    checkDeath() {
+        return this.checkBoundary() ||
+            this.checkStar() ||
+            this.checkPulses();
+    }
+
+    checkBoundary() {
+        if (Math.max(Math.abs(this.pos.x), Math.abs(this.pos.y)) > cosmos.max_size) {
+            return true;
+        }
+        return false;
+    }
+
+    checkStar() {
+        const altitude = this.pos.length();
+        if (altitude < cosmos.star.radius) {
+            return true;
+        }
+        return false;
+    }
+
+    checkPulses() {
+        var angle = this.pos.heading();
+        var altitude = this.pos.length();
+        for (var p of cosmos.pulses) {
+            if (p.contains(this.pos, 2)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+
+
+    /// Control
+    inputTarget(coord) {
+        var rel = coord.sub(this.pos);
+        debugKey('rel', rel);
+        this.heading = rel.heading();
+    }
+
+    inputThrust(thrust) {
+        this.thrust = thrust;
+    }
+
+
+
+    /// Rendering
+    getColor() {
+        var color = Color.PlayerColor.to_string();
+        if (this.state === 'state_dying') {
+            color = '#ff1515';
+        }
+        return color;
+    }
+
+    render(ctx) {
+        var sPos = view.project(this.pos);
+        var color = this.getColor();
+        ctx.fillStyle = color;
+        ctx.strokeStyle = color;
+
+        drawSquare(ctx, sPos, 3);
+
+        var sHeading = new Vec2(Math.cos(this.heading), Math.sin(this.heading)).add(sPos);
+        drawSquare(ctx, sHeading, 2);
+        ctx.beginPath();
+        ctx.moveTo(sPos.x, sPos.y);
+        ctx.lineTo(sHeading.x, sHeading.y);
+        ctx.stroke();
+    }
+}
+
+
+
+export default Ship;